/*
 * Copyright 2013 Samsung Information Systems America, Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *        http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

// Author: Koushik Sen

var f = undefined;
var f2;
var o = {};
var o2 = null;
var o3;
var o4;

try {
    f();
} catch(e) {
    console.log(e);
}

try {
    f2();
} catch(e) {
    console.log(e);
}

o4 = o;
try {
    o4.f();
} catch(e) {
    console.log(e);
}

o4 = o2;
try {
    o4.f();
} catch(e) {
    console.log(e);
}

o4 = o3;
try {
    o4.f();
} catch(e) {
    console.log(e);
}